500767-30-6

11-Oxa-2,6,9-triazatridecanoic acid,2-[(1R)-2-amino-2-oxo-1-(phenylmethyl)ethyl]-4-hydroxy-12,12-dimethyl-8-(1-methylethyl)-7,10-dioxo-5-(phenylmethyl)-, phenylmethyl ester,(4S,5S,8S)-